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| 型号： | US5881ESO |
| 厂商： | Melexis Technologies NV |
| 文件页数： | 13/46页 |
| 文件大小： | 498K |
| 描述： | IC HALL EFFECT SW SOT-23 |
| 标准包装： | 1 |
| 传感范围： | 30mT 跳闸，9.5mT 释放 |
| 类型： | 单极开关 |
| 电源电压： | 3.5 V ~ 24 V |
| 电流 - 电源： | 5mA |
| 电流 - 输出（最大）： | 50mA |
| 输出类型： | 数字式，开漏极 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23 |
| 包装： | 剪切带 (CT) |
| 其它名称： | US5881ESOCT |
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This brings us once again to Br or the residual flux value, the pole orientation is now opposite the first satura-
tion state. Finally reversing the current back to its original direction we can exercise the sample through the curve
once more and pass through the +HC value to arrive once again at the Br value. We have now completed the hys-
teresis loop for the material and can draw a curve relating B to H as shown in figure "y".
Figure 10, Hysteresis Loop
This curve is fundamental to characterizing and comparing classes and grades of magnetic materials.
An important aspect of magnetic materials behavior is dependent on the physical arrangement of the magnet in
the application. In a motor the permanent magnet is operating in a magnetic circuit with mostly low reluctance
paths for the field to circulate through. In many sensor applications however the magnet operates with little or
no magnetic circuit. This operating condition is known as open loop operation.
B
H
Before magnetic force is applied (current),
domains are randomly oriented and no
energy is created.
B
S
0
When magnetic force is applied, domains
become oriented in the direction of the
applied field.
A
B
S
0
When magnetic force (current) is removed,
domains don't completely randomize,
therefor retaining some of the energy.
A
B
r
B+
0
When magnetic force (current) is reversed,
and released, the inverse of the above
occurs, creating the complete hysteresis
loop.
The hysteresis loop is unique to all magnetic
materials. This diagram does not illustrate
any specific material or magnetic circuit
A
B
r
B-
H+
H-
B
r
H
c
H
c
B
r
= residual inductance
H
c
= coercive force
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相关代理商/技术参数 |
参数描述 |
|---|---|
| US5881EUA | 制造商:MELEXIS 制造商全称:Melexis Microelectronic Systems 功能描述:Unipolar Hall Switch - Low Sensitivity |
| US5881EUA-AAA-000-BA | 制造商:Melexis Semiconductors 功能描述:IC HALL EFFECT SW UNIPO TO-92 |
| US5881EUA-AAA-000-BU | 功能描述:IC HALL EFFECT SW MP TO-92UA RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
| US5881LSE | 制造商:MELEXIS 制造商全称:Melexis Microelectronic Systems 功能描述:Unipolar Hall Switch - Low Sensitivity |
| US5881LSE-AAA-000-RE | 功能描述:IC HALL EFFECT SW RoHS:否 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
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